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Nicolas Pitre a1f98849fd [ARM] allow for alternative __copy_to_user/__clear_user implementations 
This allows for optional alternative implementations of __copy_to_user
and __clear_user, with a possible runtime fallback to the standard
version when the alternative provides no gain over that standard
version. This is done by making the standard __copy_to_user into a weak
alias for the symbol __copy_to_user_std.  Same thing for __clear_user.

Those two functions are particularly good candidates to have alternative
implementations for, since they rely on the STRT instruction which has
lower performances than STM instructions on some CPU cores such as
the ARM1176 and Marvell Feroceon.

Signed-off-by: Nicolas Pitre <nico@marvell.com>
 		2009-05-29 22:34:45 -04:00
..
hardware [ARM] smp: fix cpumask usage in ARM SMP code 2009-05-17 16:22:46 +01:00
mach [ARM] 5422/1: ARM: MMU: add a Non-cacheable Normal executable memory type 2009-03-12 19:25:02 +00:00
Kbuild byteorder: make swab.h include asm/swab.h like a regular header 2009-01-14 19:56:50 -08:00
a.out-core.h
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a.out.h headers_check fix: arm, a.out.h 2009-02-01 11:01:22 +05:30
assembler.h
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atomic.h atomic_t: unify all arch definitions 2009-01-06 15:59:10 -08:00
auxvec.h
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bitops.h [ARM] 5339/1: fix __fls() on ARM 2008-12-04 09:21:55 +00:00
bug.h [ARM] 5211/2: fix a couple warnings from BUG() usage 2008-09-01 12:06:27 +01:00
bugs.h
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byteorder.h byteorder: make swab.h include asm/swab.h like a regular header 2009-01-14 19:56:50 -08:00
cache.h
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cacheflush.h Merge branch 'for-rmk' of git://gitorious.org/linux-gemini/mainline into devel 2009-03-26 23:10:11 +00:00
cachetype.h [ARM] Introduce new bitmask based cache type macros 2008-09-25 15:35:28 +01:00
checksum.h
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clkdev.h [ARM] clkdev: add generic clkdev infrastructure 2008-11-27 12:38:21 +00:00
cpu-multi32.h
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cpu-single.h
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cpu.h
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cputime.h
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cputype.h [ARM] cputype: separate definitions, use them 2008-09-01 12:06:23 +01:00
current.h
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delay.h
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device.h
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div64.h [ARM] 5320/1: fix assembly constraints in implementation of do_div() 2008-10-23 12:53:32 +01:00
dma-mapping.h [ARM] make page_to_dma() highmem aware 2009-03-15 21:01:21 -04:00
dma.h [ARM] dma: remove dmamode_t typedef 2009-01-02 12:34:55 +00:00
domain.h
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ecard.h
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elf.h [ARM] 5507/1: support R_ARM_MOVW_ABS_NC and MOVT_ABS relocation types 2009-05-07 17:21:01 +01:00
emergency-restart.h
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errno.h
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fb.h
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fcntl.h
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fiq.h
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fixmap.h [ARM] fixmap support 2009-03-15 21:01:20 -04:00
flat.h
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floppy.h [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
fpstate.h
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ftrace.h ftrace: rename FTRACE to FUNCTION_TRACER 2008-10-20 18:27:03 +02:00
futex.h [ARM] 5218/1: arm: improved futex support 2008-09-01 12:06:26 +01:00
glue.h
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gpio.h [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
hardirq.h
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highmem.h [ARM] introduce dma_cache_maint_page() 2009-03-15 21:01:21 -04:00
hw_irq.h
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hwcap.h [ARM] 5388/1: Add hwcap bits for VFPv3 and VFPv3D16 2009-02-12 10:59:44 +00:00
ide.h
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io.h [ARM] Add a common typesafe __io implementation 2008-11-30 11:45:54 +00:00
ioctl.h
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ioctls.h
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ipcbuf.h
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irq.h [ARM] give RiscPC a NR_IRQS definition and remove default 2008-11-29 19:14:31 +00:00
irq_regs.h
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irqflags.h
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kdebug.h
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kexec.h kexec jump: rename KEXEC_CONTROL_CODE_SIZE to KEXEC_CONTROL_PAGE_SIZE 2008-08-15 08:35:42 -07:00
kgdb.h
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kmap_types.h [ARM] Feroceon: add highmem support to L2 cache handling code 2009-03-15 21:01:21 -04:00
kprobes.h [ARM] 5206/1: remove kprobe_trap_handler() hack 2008-09-01 12:06:26 +01:00
leds.h
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limits.h
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linkage.h
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local.h
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locks.h
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mc146818rtc.h [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
memory.h [ARM] make page_to_dma() highmem aware 2009-03-15 21:01:21 -04:00
mman.h
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mmu.h NOMMU: Make VMAs per MM as for MMU-mode linux 2009-01-08 12:04:47 +00:00
mmu_context.h [ARM] Remove linux/sched.h from asm/cacheflush.h and asm/uaccess.h 2008-11-29 18:49:55 +00:00
mmzone.h [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
module.h [ARM] 5384/1: unwind: Add stack unwinding support for loadable modules 2009-02-19 11:27:19 +00:00
msgbuf.h
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mtd-xip.h [ARM] move asm/xip.h's mach/hardware.h include to mach/xip.h 2008-12-14 13:22:51 +00:00
mutex.h
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nwflash.h
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page-nommu.h
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page.h ARM: Add support for FA526 v2 2009-03-25 13:10:01 +02:00
param.h
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parport.h
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pci.h [ARM] Fix PCI_DMA_BUS_IS_PHYS for ARM 2008-09-13 21:35:55 +01:00
percpu.h
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pgalloc.h
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pgtable-hwdef.h
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pgtable-nommu.h
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pgtable.h Merge branch 'ptebits' into devel 2008-10-09 21:31:56 +01:00
poll.h
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posix_types.h
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proc-fns.h Merge branch 'for-rmk' of git://gitorious.org/linux-gemini/mainline into devel 2009-03-26 23:10:11 +00:00
processor.h Merge branch 'omap3-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into devel 2008-12-15 22:13:26 +00:00
procinfo.h
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ptrace.h [ARM] 5387/1: Add ptrace VFP support on ARM 2009-02-12 10:59:43 +00:00
resource.h
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scatterlist.h
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sections.h
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segment.h
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sembuf.h
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serial.h
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setup.h headers_check fix: arm, setup.h 2009-02-01 11:01:22 +05:30
shmbuf.h
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shmparam.h
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sigcontext.h
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siginfo.h
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signal.h
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sizes.h [ARM] 5447/1: Add SZ_32K 2009-04-08 20:35:57 +01:00
smp.h [ARM] smp: fix cpumask usage in ARM SMP code 2009-05-17 16:22:46 +01:00
socket.h net: new user space API for time stamping of incoming and outgoing packets 2009-02-15 22:43:33 -08:00
sockios.h
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sparsemem.h [ARM] mm: enable sparsemem on clps7500 and RiscPC 2008-10-01 17:24:04 +01:00
spinlock.h Allow rwlocks to re-enable interrupts 2009-04-02 19:05:11 -07:00
spinlock_types.h
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stacktrace.h [ARM] 5382/1: unwind: Reorganise the stacktrace support 2009-02-12 13:21:17 +00:00
stat.h
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statfs.h ARM: Use <asm-generic/statfs.h> 2008-09-04 09:46:11 +01:00
string.h [ARM] remove memzero() 2008-11-27 12:37:59 +00:00
suspend.h
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swab.h headers_check fix: arm, swab.h 2009-02-01 11:01:23 +05:30
system.h Merge branch 'for-rmk' of git://gitorious.org/linux-gemini/mainline into devel 2009-03-26 23:10:11 +00:00
termbits.h
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termios.h
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therm.h
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thread_info.h [ARM] 5382/1: unwind: Reorganise the stacktrace support 2009-02-12 13:21:17 +00:00
thread_notify.h
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timex.h [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
tlb.h [ARM] 5450/1: Flush only the needed range when unmapping a VMA 2009-04-15 10:01:02 +01:00
tlbflush.h ARM: Add support for FA526 v2 2009-03-25 13:10:01 +02:00
topology.h
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traps.h [ARM] 5381/1: unwind: Reorganise the traps.c code 2009-02-12 13:21:15 +00:00
types.h
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uaccess.h [ARM] allow for alternative __copy_to_user/__clear_user implementations 2009-05-29 22:34:45 -04:00
ucontext.h
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unaligned.h
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unistd.h [ARM] 5456/1: add sys_preadv and sys_pwritev 2009-04-20 14:01:39 +01:00
unwind.h [ARM] 5383/2: unwind: Add core support for ARM stack unwinding 2009-02-19 11:26:24 +00:00
user.h [ARM] 5387/1: Add ptrace VFP support on ARM 2009-02-12 10:59:43 +00:00
vfp.h
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vfpmacros.h
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vga.h [ARM] Convert asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
xor.h
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